When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself.

Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank, go on a quest to free Death, but their bigger task is to unite the Greek and Roman camps so that the Prophecy of Seven can be fulfilled.

A budding dark sorceress determined not to use her formidable powers uncovers yet more secrets about the workings of her world.

When Lizzy Shelley, the host of the popular podcast Monsters Among Us, arrives in Vermont, where a kidnapping and monster sighting has sent the town into a frenzy, she is determined to hunt it down because it could be her very own sister.

After a monster apocalypse hits town, average thirteen-year-old Jack Sullivan builds a team of friends to help slay the eerily intelligent monster known as Blarg.

A naughty little boy, sent to bed without his supper, sails to the land of the wild things where he becomes their king.

During the first winter after the Monster Apocalypse, Jack and his buddies prepare for a monstrous Christmas celebration, but a supervillainess steals Jack's prized monster-slaying weapon, his Louisville Slicer, and he vows to get it back.

"Though secrets and lies keep Juliette and Roma apart, a monster still prowls the city of Shanghai, and the two are going to have to put aside their differences to end this threat once and for all"--

Jack Sullivan and his buddies are swept up the by the Mallusk, an enormous centipede monster carrying the world's largest shopping mall on its back. On board the kids discover a thriving monster society that is being ruled over by an old foe's iron fist. Jack runs for mayor of Mallusk City and must prove his leadership skills when the Mallusk falls under attack.